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use crate::{Error, Result};
use alloc::borrow::ToOwned;
use core::{fmt, str::FromStr};
#[cfg(feature = "serde")]
use {
alloc::string::String,
serde::{de, ser, Deserialize, Serialize},
};
#[derive(Copy, Clone, Debug, Eq, PartialEq, PartialOrd, Ord)]
pub enum Severity {
None,
Low,
Medium,
High,
Critical,
}
impl Severity {
pub fn as_str(self) -> &'static str {
match self {
Severity::None => "none",
Severity::Low => "low",
Severity::Medium => "medium",
Severity::High => "high",
Severity::Critical => "critical",
}
}
}
impl FromStr for Severity {
type Err = Error;
fn from_str(s: &str) -> Result<Self> {
match s.to_ascii_lowercase().as_str() {
"none" => Ok(Severity::None),
"low" => Ok(Severity::Low),
"medium" => Ok(Severity::Medium),
"high" => Ok(Severity::High),
"critical" => Ok(Severity::Critical),
_ => Err(Error::InvalidSeverity { name: s.to_owned() }),
}
}
}
impl fmt::Display for Severity {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str(self.as_str())
}
}
#[cfg(feature = "serde")]
#[cfg_attr(docsrs, doc(cfg(feature = "serde")))]
impl<'de> Deserialize<'de> for Severity {
fn deserialize<D: de::Deserializer<'de>>(
deserializer: D,
) -> core::result::Result<Self, D::Error> {
String::deserialize(deserializer)?
.parse()
.map_err(de::Error::custom)
}
}
#[cfg(feature = "serde")]
#[cfg_attr(docsrs, doc(cfg(feature = "serde")))]
impl Serialize for Severity {
fn serialize<S: ser::Serializer>(
&self,
serializer: S,
) -> core::result::Result<S::Ok, S::Error> {
self.as_str().serialize(serializer)
}
}